Methyl Cellulose
SEED MC Product Details
MC is a versatile cellulose ether exhibiting unique thermal gelation properties, remaining fluid when cold but gelling upon heating. It serves as essential ingredient in gluten-free baking, providing structure and moisture retention.
- Chemical Name: Methyl Cellulose
- CAS Number: 9004-67-5
- Molecular Formula: [C6H7O2(OH)x(OCH3)y]n
- Appearance: White to off-white fibrous or granular powder
- Particle Size: 98% min. passing through 100 mesh
- Bulk Density: 0.30-0.60 g/cm³
- pH Value: 5.5-8.0 (1% aqueous solution at 20°C)
- Moisture Content: ≤5.0%
- Ash Content: ≤1.5%
- Methoxy Content: 27.5-31.5% (typical DS 1.64-1.92)
SEED MC Product Parameters
MC Viscosity Grades Available:
Low viscosity: 5-15 mPa·s
Medium low viscosity: 15-50 mPa·s
Medium viscosity: 50-400 mPa·s
High viscosity: 400-4,000 mPa·s
Extra high viscosity: 4,000-15,000+ mPa·s
(Measured as 2% aqueous solution at 20°C using Brookfield viscometer)
MC Solubility:
Soluble in cold water, forming clear to slightly opalescent solutions
Insoluble in hot water – precipitates/gels when heated above 50-55°C
Soluble in certain organic solvent mixtures
Redissolves upon cooling
Other:
Gel Temperature: 50-55°C (thermal gelation point – lower than HPMC)
Storage Conditions: Store in cool, dry place. Keep containers tightly sealed. Protect from moisture and heat. Shelf life: 24-36 months under proper conditions.
Packaging: 25kg multi-wall kraft paper bags with PE liner. Food/pharma grades in special moisture-barrier packaging.
Quality Standards: Complies with USP, EP, JP, and FCC (food grade E461) specifications.
SEED MC Product Advantages
Strong Thermal Gelation
MC’s defining characteristic is pronounced thermal gelation, which forms a strong gel when heated above 50-55 °C. Gel strength increases with temperature, fully reversible upon cooling, has a lower gelation temperature than HPMC (50-55°C vs. 60-90°C), and has unique temperature-responsive behavior.
Excellent Water Retention
Provides superior water-holding capacity, 95-98% water retention in construction applications, prevents premature drying, maintains workability, ensures complete cement/gypsum hydration, comparable to HPMC performance.
Superior Film Formation
MC produces high-quality films, excellent clarity and transparency, good tensile strength and flexibility, an effective moisture barrier, strong adhesion to various substrates, and grease and oil resistance.
Oil and Grease Resistance
Unique among cellulose ethers, films resist oil and fat penetration, ideal for fried food coatings, prevent oil migration in packaging, are useful in grease-resistant paper coatings, maintains integrity in oily environments.
Non-Ionic Nature
Provides excellent compatibility, compatible with anionic, cationic, and nonionic ingredients, stable across pH 3-11, no electrostatic interactions, predictable behavior in complex formulations, and works well with salts and electrolytes.
Surface Activity
MC exhibits good surface-active properties, reduces surface tension, improves wetting and spreading, enhances emulsion stabilization, aids in foam stabilization, and improves dispersion of solids.
SEED MC Product Application
SEED MC Frequently Asked Questions
How does Methyl Cellulose improve gluten-free bread quality?
Methyl Cellulose significantly enhances gluten-free bread formulations by replicating the structural framework and functional properties that gluten proteins provide in traditional wheat-based breads. The polymer forms a three-dimensional network within the dough that effectively captures and retains carbon dioxide gas generated during yeast fermentation, resulting in superior volume, better rise, and a lighter, more open crumb structure compared to dense, heavy texture typical of many gluten-free breads. MC improves dough elasticity and handling characteristics, providing cohesiveness that makes gluten-free dough easier to mix, shape, and process without excessive stickiness or crumbling. It dramatically enhances moisture retention in finished bread, significantly extending shelf life by preventing the rapid staling and drying that commonly affects gluten-free baked goods within hours of baking.
What unique thermal gelation properties does Methyl Cellulose offer in food applications?
Methyl Cellulose possesses unique thermal gelation properties that distinguish it from other cellulose derivatives, making it valuable for specialized food applications requiring temperature-responsive behavior. Unlike most hydrocolloids that gel upon cooling, MC exhibits reverse thermal gelation, remaining fluid at cold temperatures but forming gels when heated, typically between fifty and ninety degrees Celsius depending on the grade and concentration. This unusual property is extremely valuable in gluten-free baking where MC remains mobile during mixing and shaping at room temperature, then gels during baking to provide structure, trap gases, and support the bread as it rises and sets. In other food applications, this thermal gelation enables creating products with unique textures, improves moisture retention during cooking processes, helps form heat-set gels and films, and provides structure in applications exposed to elevated temperatures.
How is Methyl Cellulose used in cheese products?
Methyl Cellulose functions effectively in various cheese applications, providing stabilization, texture modification, and improved functionality particularly in processed cheese products, cheese alternatives, and reduced-fat formulations. In processed cheese and cheese spreads, MC prevents fat and moisture separation, maintaining smooth, homogeneous texture throughout storage and preventing oil-off during heating or melting applications. The polymer’s thermal gelation property is particularly valuable in cheese products requiring heat stability, as it provides additional structure when heated, improving melt characteristics and preventing excessive flow or fat separation during cooking. In plant-based cheese alternatives, MC provides stretch and melt properties that mimic dairy cheese behavior, creating consumer-acceptable texture and functionality. For reduced-fat cheese products, it compensates for texture and mouthfeel loss when fat content is decreased, maintaining creaminess and sensory appeal.
What role does Methyl Cellulose play in beverage formulations?
Methyl Cellulose serves important functions in beverage applications, providing stabilization, body enhancement, and texture modification while offering unique benefits from its thermal properties. In protein beverages and nutritional shakes, MC provides smooth mouthfeel and pleasant body while preventing protein sedimentation and aggregation, keeping nutritional components uniformly distributed throughout shelf life without grittiness or chalky texture. For fruit beverages and smoothies, it stabilizes suspensions of pulp, fiber, and particulates, preventing settling and maintaining visual appeal and consistent texture from production through consumption. In fiber-fortified drinks, MC contributes soluble dietary fiber while helping stabilize other fiber sources, supporting nutritional labeling claims. MC provides viscosity enhancement in low-calorie beverages, improves clarity in certain formulations, works across various pH levels, enhances stability during pasteurization, and helps create desired texture in plant-based milk alternatives without affecting flavor.
How is Methyl Cellulose used in skincare product formulations?
Methyl Cellulose functions as a versatile ingredient in skincare formulations, providing thickening, film-forming, and texture-modifying properties that enhance product performance, aesthetics, and skin benefits. The polymer creates clear, smooth gels with excellent visual appeal and pleasant skin feel, ranging from light serums to richer gel-creams depending on concentration and grade selection. MC forms breathable, protective films on skin that help reduce transepidermal water loss, providing moisturizing benefits by sealing in hydration and preventing dryness throughout the day. Its film-forming properties also create a smooth, even surface that can temporarily minimize the appearance of fine lines and pores, making it popular in primers and mattifying products.
What advantages does Methyl Cellulose offer for formulation versatility across applications?
Methyl Cellulose offers exceptional formulation versatility due to its unique combination of properties including cold-water solubility, thermal gelation, film formation, and excellent compatibility with diverse ingredients across food, cosmetic, and industrial applications. Its reverse thermal gelation property, where it gels upon heating rather than cooling, enables unique applications in baking, cooking, and processes requiring heat-set structures unavailable with conventional hydrocolloids. MC provides effective thickening across wide concentration ranges, allowing formulators to achieve desired viscosities from light-bodied fluids to firm gels.
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